cppdraft_translate/cppdraft/basic/string/hash.md

[basic.string.hash]

27 Strings library [strings]

27.4 String classes [string.classes]

27.4.6 Hash support [basic.string.hash]

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template<class A> struct hash<basic_string<char, char_traits<char>, A>>; template<class A> struct hash<basic_string<char8_t, char_traits<char8_t>, A>>; template<class A> struct hash<basic_string<char16_t, char_traits<char16_t>, A>>; template<class A> struct hash<basic_string<char32_t, char_traits<char32_t>, A>>; template<class A> struct hash<basic_string<wchar_t, char_traits<wchar_t>, A>>;

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If S is one of these string types,SV is the corresponding string view type, ands is an object of type S, then hash()(s) == hash()(SV(s)).